Update version strings in extension manifests to reflect the new release date. chrome/manifest.json and edge/manifest.json: 2026.04.23 -> 2026.04.24; firefox/manifest.json: 2026.4.23 -> 2026.4.24. No other functional changes.
Add a complete Edge extension under edge/ (manifest, popup, CSS, JS, locales, assets, LICENSE) and a change.log. Update README with Edge/mobile notes and simplify content. Update GitHub Actions workflow to read edge/manifest.json version, package Edge builds, and include Edge asset in the release summary (also bump default release_tag). Minor update to firefox/js/oper.js and include .DS_Store change.
jonny